EP3528969A1 - Table de tri à crible ajustable - Google Patents
Table de tri à crible ajustableInfo
- Publication number
- EP3528969A1 EP3528969A1 EP17784366.1A EP17784366A EP3528969A1 EP 3528969 A1 EP3528969 A1 EP 3528969A1 EP 17784366 A EP17784366 A EP 17784366A EP 3528969 A1 EP3528969 A1 EP 3528969A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sorting
- sections
- sorter
- conveyor
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 235000009754 Vitis X bourquina Nutrition 0.000 abstract description 8
- 235000012333 Vitis X labruscana Nutrition 0.000 abstract description 8
- 235000014787 Vitis vinifera Nutrition 0.000 abstract description 8
- 240000006365 Vitis vinifera Species 0.000 abstract 1
- 238000003306 harvesting Methods 0.000 description 21
- 235000021028 berry Nutrition 0.000 description 19
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- 235000015203 fruit juice Nutrition 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
- B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
Definitions
- the present invention relates to an adjustable sieve sorting table.
- Elfe concerns more precisely a sorting table usable for the removal of foreign bodies remaining mixed with a berry stump or a harvest.
- a sorting table makes it possible, especially in the case of a vending, to separate, on the one hand, berries of grapes or other similar and similar objects from grape berries, and on the other hand of unwanted objects.
- superior taii to grape berries and elongated or flattened forms such as leaves, stems or petioles for example. This is particularly the case when the harvest has previously undergone a destemming operation.
- the invention can be implemented for the removal in a fruit roe of all kinds of fruit debris distinct from the fruits, and in particular for a recoite of small fruits such as currants, blackcurrant, blackberries, raspberries, olives, cranberries, cranberries or other berries or drupes.
- the invention can also be used for the sizing of fruits, simply by separating larger fruits from smaller fruits.
- the invention still finds applications in the manufacture of stand-alone sorting tables, or sorting tables integrated into a harvesting or harvesting machine.
- the known sorting tables for example that of the document FR 2 920 278, comprise a plurality of parallel conveyor-sorter rolls, arranged according to a sorting plane. They are generally arranged in a horizontal plane or close to the horizontal. They can take a more pronounced inclination when they are loaded on a picking vehicle, for example, brought to follow the irregularities of the ground. This last mode of operation is however not a setting parameter of the inclination.
- the conveyor-sorter rollers are regularly spaced from each other and constitute a screen.
- a harvest or a crop discharged into an input of the sorting table is conveyed towards an outlet end of the sorting table by rotating the conveyor-sorter rollers in the same direction of rotation.
- the fruits or berries may pass through spacings provided between the convector-sorter rolls to be collected under the sorting table.
- debris of larger size than fruits or berries in particular petioles, leaves, stems or small branches, are found in the harvest or the harvest, continue their conveyance until the exit of the sorting table is over. the table being corrugated to prevent them from passing through the spaces between the rollers.
- the main adjustment parameters of a sorting table are the discharge rate of the harvest or the harvest on the table, the conveying speed, determined by the rotational speed of the conveyor-sorter rolls, the spacings provided between the rollers. conveyor-sorters, and possibly an inclination of the sorting table relative to a horizontal plane. Too little spacing between the rolls, too much rotational speed, or too high a discharge rate means that fruits arrive at the exit end of the table and are scrapped with debris. Conversely, too large a spacing between the rolls or a too low rotational speed favor an undesired passage of debris through the sorting table, with your frufts.
- the speed of rotation of the conveyor-sorter rollers can be easily adjusted by controlling the motor means for rotating the conveyor-sorter rollers.
- EP 2 457 671 proposes to mount the ends of the conveyor-sorter rollers on slides perpendicular to their axis.
- the invention aims to provide a different means of setting a sorting tabie, and in particular a quick setting means for changing the screen of the sorting table in real time during a sorting operation.
- the invention also aims to propose a means of adjusting a sorting table acting simultaneously on the opening of the screen formed by the table and on the speed of o devoyage of the crop or the harvest along the Tabie.
- the invention proposes an adjustable sieve sorting table for fruits, comprising a succession of conveyor-sorter rollers arranged according to a sort plane and parallel to each other, the conveyor-sorter rollers each having at least one sorting section, a spacing being provided respectively between sorting sections facing successive conveyor-sorting rollers for a selective passage of fruit through the table, by said spacing.
- the sorting table comprises conveyor-sorting rollers provided with sorting sections. with adjustable diameter and a device for controlling the diameter of the adjustable diameter sorter sections.
- the adjustable nature of the diameter of the sorting sections does not necessarily imply that this diameter is constant on the sorting section along the axis of the conveyor-sorter roll.
- the diameter of the sorting sections can in fact be modified by non-uniform way, for example, with a modification more importantly "on a central part of the sorter section and a smaller modification on the edges, always with respect to the axis of the corresponding sorter-sorter roll.
- the adjustable character of the diameter of the sorter sections can thus be understood as also apply to their average diameter, ii in the result between two sorter sections opposite a spacing with a major aperture when the average diameter is reduced and a spacing with an opening less important when the average diameter is enlarged.
- the sorting table is a sorting table "for fruits" when it is configured for sorting a harvest of fleshy stone fruit, berries, drupes, and more particularly a grape harvest. In the remainder of the description, and by way of simplification. If is simply referred to fruits without limitation concerning the nature of these fruits.
- the conveyor-sorter rolls may comprise one or more sorting sections which form the screen. Generally each roll has a plurality of sorting sections. The remainder of the description refers essentially to conveyor-sorter rolls provided with a plurality of sorting sections, which for all that means to prejudge the number of sorting sections of each roll.
- the conveyor-sorter rolls, as well as the sorting sections have a symmetry of revolution.
- the sorter sections have an adjustable diameter when their diameter, and thus their perimeter, can be modified, and adjusted, it should be specified that the adjustment of the diameter of the sorter sections is independent of the passage of fruits between the sections sorters.
- the simple deformation of a sorter section under the effect of the passage of a fruit is not considered as an adjustment of its diameter.
- the device for controlling the diameter of the sorting sections can be an operator-controlled control device, or, preferably, a controlled automatic control device, so as to be able to adjust the diameter of the sorting sections, and therefore the screen of the table. sorting in real time during a sorting operation, without interrupting this operation.
- the device for controlling the diameter of the sorter sections may have various embodiments according to its mode of action on the adjustable diameter sorter sections. In In particular, it may be a device with mechanical or pneumatic action, as is apparent from its description.
- the control of the diameter of the sorting sections can be controlled, for example, by the detection of a quantity of fruit arriving at the end of the sorting table without passing through the sorting table, or in relation to the detection of a quantity of remaining debris in the sorted fruits.
- a measuring member for a quantity of fruit arriving at the end of the table or a quantity of debris remaining in the sorted fruits can be provided for the control of the control device. It may be an optical organ, for example an optical barrier, a load cell, or more sophisticated a camera associated with an image analysis system.
- Programming or direct control of the diameter control device of the sorting sections can also be performed by an operator, visually evaluating the operation of the sorting table.
- the sorter sections of the rollers have two distinct functions.
- a first function is to constitute a screen because of the spacing between the sections sorters next. These spacings make it possible for the fruit to pass through the sorting table and thus be separated from the debris which continues to convey them to an outlet of the sorting table.
- a second function of the sorting sections, and more generally the conveyor-sorter rolls, is a conveying function. Indeed, the conveying of the crop poured on the sorting table towards an outlet of the sorting table is caused by the rotation of the conveyor rollers, these rollers preferably being all driven at the same speed of rotation in the same direction of rotation.
- a first effect is to modify the spacing between the sorting sections and thus the opening of the screen of the sorting table. Indeed, when the diameter of the opposite sorting sections is increased, the spacing between these sections is reduced Conversely when the diameter of the sorting sections is decreased, the spacing, and therefore the opening of the screen become larger.
- a regular arrangement of the sorter rollers allows in particular to provide a uniform opening of the screen. This is not a characteristic necessary. It may be possible to adjust your sorting bed with increasing opening or decreasing from the sieve to an axis parallel to the traveling direction, for example.
- a second effect of the modification of the diameter of the sorting sections is a change in the speed of travel of the recess on the sorting table.
- conveying can also be performed on a part of the sorting table by simple conveyor rollers which have no fruit sorting function, but simply a conveying function and possibly a distribution function. fruits and debris at the entrance of the screen, or even a function of sorting liquids or small pieces of small scrap that fruits, such as pips and grape juice in the case of a vintage, for example.
- These rollers are preferably intended to come back from the table in a spill area and distribution of the recoite or harvest, they are devoid of passages allowing the fruits to cross the sorting table may include more narrow passages allowing the flow of juice or the passage of debris of smaller size than fruits such as pips or cores.
- all its sections of all the conveyor-sorter rollers are not necessarily of adjustable diameter.
- the adjustable diameter sorter sections preferably comprise a deformable outer wall.
- This wall may be formed by a sheath, a sleeve or a membrane made of a natural elastic material or an elastomer thermopiastic, for example, rubber or polyurethane.
- the deformable nature of the wall makes it possible to adapt to the diameter of the sorter section while constituting a sealed envelope for the juice of the trout conveyed.
- the sealing favored the cleaning of the sorting table and protected the internal organs of the conveyor-sorter rolls.
- the sorting table and in particular the device for controlling the diameter of the adjustable diameter sorter sections, may comprise a source of controlled pressure fluid connected respectively to an internal chamber of the conveyor rollers.
- the inner chamber is in fluid communication with the deformable wall, whereby the diameter control device of the sorter sections can act by changing the pressure of the fluid in the internal chamber of the rollers.
- the modification of the pressure of the fluid makes it possible to deform the deformable wall and thus to adjust the diameter of the sorting sections
- the deformation can be likened to swelling or deflation of the deformable wall of a sorting section.
- the source of controlled pressure fluid may be, for example, a source under pressure or under vacuum with respect to atmospheric pressure. It may be preferably a source of air under pressure.
- the fluid may also be a liquid, such as water or oil, for example.
- the deformable outer wall of the sorter sections may also constitute a wall of the internal chamber mentioned above.
- the internal chamber may have a rigid wall, the deformable outer wall forming a sheath around the rigid wall.
- the sheath may be in the form of a sleeve or membrane described below.
- these may comprise a plurality of sorting sections arranged along a roller axis.
- the sorting sections are respectively separated by annular flanges projecting on the sorting sections.
- the annular flanges favor the selective passage of fruit through the sorting table, that is to say in the spacings between the sorter rollers. They also allow the conveyance of bulky debris.
- the annular flanges which may preferably have a diameter greater than the maximum diameter of the sorter rollers, also participate in conveying the crop on the sorting table.
- annular collars of adjacent conveyor-sorter rollers, separating facing sorting sections may be substantially aligned in planes perpendicular to the conveyor rolls, and have substantially adjacent edges.
- the annular flanges have substantially adjacent edges when the edges are mutually aligned perpendicular to the axis of the conveyor-sorters rollers but also when the edges are slightly offset perpendicular to the axis of the conveyor rollers in the median plane of the table sorting and in the vicinity of this yaws.
- the adjacent roll flanges are in an interleaved configuration also having mutually adjacent flanks.
- conveyor-sorter rollers with a plurality of sorting sections separated respectively by a plurality of collars.
- Each sorter section thus comprises a collar at each of its ends and two successive sorter sections are separated by a same collar.
- each sorter section may have a membrane mounted between two successive annular flanges, the membranes of the sorter sections then forming the deflabie wall of the sorter section.
- the sorters-sorters rollers may comprise a sleeve forming the deformable wall respectively of a piuraiotti sorting sections.
- the sleeve may have areas of extra thickness directly forming the annular flanges.
- the sleeve may also have annular grooves in which are reported the annular flanges.
- the annular flanges can still be mounted on a central shaft of the conveyor-sorter rollers.
- the central shaft may be constituted, for example, by the internal rigid wall chamber mentioned above.
- annular flanges mounted on a central shaft they may respectively have a cylindrical base substantially fitted to the central shaft.
- the cylindrical base can then extend under the deformable wall and form a spacer between the annular flanges.
- the annular flanges may have at least one flexible annular lip bearing on an adjacent sorter section.
- the lip is flexible so as to be able to adapt to variations in the diameter of the sorter section.
- a flexible lip can be provided on both sides of a collar separating two sorting sections.
- the sorter sections can be provided with reliefs. This is for example pins, or ribs extend in planes containing an axis of the conveyor-sorter roller.
- the reliefs can be made in one piece with the deformable wall of the sorter sections. It can also act reliefs reported on the wall and made in a hard material than the deformable wall. The use of a harder material allows, if necessary to delay wear on the deformable wall.
- the modification of the diameter of the sorting sections may be performed by means of a pressurized fluid or a fluid under vacuum.
- the diameter can also be modified by mechanical means without using fluid.
- the sorting table may comprise conveyor-sorter rolls with an alternating succession, according to a pattern of succession, of sorter sections and of annular projecting collars separating the sorting sections, and the device for controlling the diameter of the sections.
- the sorters may comprise an internal drive shaft concentric with the deformable wall of the sorter sections and the annular flanges, the actuating shaft being provided with bosses spaced along the same succession pattern.
- the rarity of actuation has, respectively with respect to the deformable wall, relative to the sorter sections and the flanges, a freedom of axial splitting between a first position in which the bosses are received in housings adjacent to the annular flanges and minus a second position in which the bosses coincide with the sorting sections.
- the deformable wall is not constrained and can retract on a bearing surface formed, for example, by a rigid inner wall or formed directly by the parts of internal rangle devoid of bosses.
- the bosses of the actuator shaft lift the deformable wall to increase the diameter of the sorter sections.
- the housing for your bosses are adjacent to the annular flanges when they are provided in the immediate vicinity of the flanges, for example under an edge of the sorter sections, or when the housings are under the annular flanges.
- the possibilities for implementing the invention described above essentially involve a deforming wall of the sorting sections. These are preferred embodiments of the invention. However, it should be noted that the presence of a defibrable wall is not essential.
- the sorting table can indeed be designed with conveyor-sorter rolls comprising:
- a plurality of sleeves coaxial with the central shaft have a second diameter greater than the first diameter, and having, relative to the central shaft, freedom of movement respectively between a first position in which the sleeves are retracted under the conveyor flanges and a second position in which the sleeves extend in spacing between your flanges.
- the sorting sections are selectively formed by one of the central shaft and sleeves in the second position.
- the central shaft constitutes sorting sections with a first diameter.
- the sleeves when the sleeves are extended between your annular flanges, it is the sleeves which constitute, in a way, the sorting sections.
- the sorter sections have a second diameter, that of the sleeves, which is greater than that of the central shaft on which your sleeves slide.
- the sleeves are thus part of both the device for controlling the diameter of the sorting sections and the sorting sections themselves, of which they increase the diameter.
- a fabric used for induction is not very suitable for sorting fruit juice because the mechanisms which are not protected by a wall or a membrane are subject to soiling and offer more complicated cleaning possibilities.
- a sorting table can lend itself to sorting eece fruits, such as nuts, for example.
- the invention also relates to a sorter conveyor roll, for a sorting table as described above comprising adjustable diameter sorter sections.
- Figure 1 is a schematic longitudinal section of a sorting table according to the invention.
- Figures 2A and 2B are top views of conveyor rollers sorters of a portion of the sorting table of Figure 1.
- Figure 3 is an axial section of a sorter conveyor roller of the sorting table.
- Figure 4 is a partial view of a sorter conveyor roll, with a partial tear, shining a possibility of making a conveyor-sorter roll.
- Figure 5 is a partial view of a sorter conveyor roll, with a partial tear, illustrating another possibility of making such a roll.
- Figure ⁇ is a partial view of a sorter conveyor roller, with a partial tear, illustrating yet another alternative embodiment of such a roller.
- FIG. 7 is a partial section of a detail of the conveyor roller of FIG. 6.
- Figure 8 is a partial view of a sorter conveyor roller, with a partial tear, illustrating yet another alternative embodiment of such a roller.
- Figure 9 is a partial section of a sorter conveyor roller illustrating yet another alternative embodiment of such a roller.
- FIG 1 illustrates the general structure of the sorting table and its operation
- the sorting table 10 is essentially in the form of a roller conveyor 12, 14 extending substantially horizontally from a first inlet end 16 to a second waste outlet end 18.
- a hopper 20, and a first series of conveyor rollers 14, adjacent and substantially joined, are harvested, for example, in the example illustrated in FIG. 1, a harvest 22.
- the destemmed harvest includes grapes berries 24 and debris 26.
- the debris may be leaves, petioles, stems, small branches etc.
- the first series of conveyor rollers 14 are rotated, all in the same direction, for the formation of a substantially homogeneous harvest bed moving in a direction from the first end 16 to the second end 18 of the sorting table. .
- the rotation of the rollers takes place along axes of rotation parallel to each other and perpendicular to the plane of the figure.
- conveyor-sorting rollers 12 are driven in the same rotational movement to convey the harvest of the first end 18. to the second end 18 of the sorting table 10.
- a conveying direction is indicated with an arrow 15.
- Other functions of the sorting and sorting machines 12 are that of separating grape berries 24 and debris 26, which have a higher quality than grape berries and / or a distinct shape of the grape berries, which may be in particular debris of flattened term, like leaves, of elongated form, like petioles, even of voluminous debris, like stalks.
- the sorting conveyor rollers form a screen sized for selective passage of berries 24 through the sorting table It should be noted that debris of smaller or larger size grape berries, such as pips or small pieces of stems or leaves, for example, can also cross the screen.
- the debris 26, by their form factor, their weight and / or their size, does not pass through the screen formed by the conveyor-sorter rollers 14 and reach the second end 18 of the sorting table which corresponds to waste.
- the debris 26 is collected in a receptacle, not shown, for disposal or recovery separately. In the case of a sorting table mounted on a machine, the debris is simply evacuated outside the machine.
- a good adjustment of the screen of the sorting table makes it possible to collect all the bays under the sorting table thus avoiding the scrapping of bays with the debris at the end of the table, that is to say at the second end. from the sorting table.
- a screen too closed leads to the scrapping of berries or more generally fruit that should have crossed the table. Conversely, a screen that is too open leads to the unwanted passage of debris through the sorting table with the berries.
- FIGS. 2A and 2B A possibility of adjusting the screen of the sorting table according to the invention is better understood by comparing FIGS. 2A and 2B.
- FIGS. 2A and 2B show only part of the sorting table 10. They show a succession of six sorting conveyor rollers 12, which are equidistant, arranged along axes 11 arranged between them, perpendicular to the conveying direction 15. It can be observed that each sorting conveyor roll 12 comprises a plurality of sorting sections 30. The sorting sections 30 of one and the same roller are delimited respectively by annular flanges 32. The ooHerettes 32 and the Die sections 30 have a symmetry of revolution around the axis 11 of the corresponding conveyor-sorter roll 12 The collars 32 have a diameter greater than the average diameter of the sorting sections 30.
- the annular flanges 32 of the adjacent conveyor-sorter rollers 12 are substantially aligned in planes 35 perpendicular to the axes 11 of the sorter conveyor rollers 12 so that their respective edges 34 are substantially adjacent in a median plane of the sorting table comprising the axes of the sorter conveyor rollers 12, and in the vicinity of this yaw.
- the adjacent annular flanges 32 of the different rollers are slightly offset on either side of these planes.
- a conveyor-sorter roll to the next They thus have edges 34 substantially adjacent but also slightly nested in the plane of the sorting table.
- the sorting sections 30 of the adjacent conveyor-sorter rollers and the annular collars 32 which separate them thus delimit spaces or openings 36 in the sorting table through which the berries of grapes, or more generally their fruits, can pass, in particular through gravity, twist of con journey of harvest or harvest.
- the regular arrangement of the sorting sections 30 and the flanges 32 cause the spacings 36 to constitute a regular maling of the screen of the sorting table.
- the diameter of the sorter sections is adjustable.
- all sections are of the type è adjustable diameter.
- FIG. 2A shows the sorting frames with a smaller diameter than that of the sections of FIG. 2B.
- the spacings 36, and thus the opening of the screen, are larger in Figure 2A than in Figure 2B.
- the adjustable nature of the diameter of the sorter sections does not necessarily imply that it is constant over the entire length of a given sorter section. It is possible to note, in FIG. 2A, a concave shape of the sorting sections 30 from their edges, that is to say from the annular flanges 32, to their middle.
- Figure 3 is a section of a conveyor-sorter roll 12 of the sorting table.
- the roller includes a central shaft! 50 is formed substantially by an elongated cylindrical tube 53.
- the tube 53 is for example a stainless steel tube, aluminum or a composite fiber tube.
- a sleeve 54 of a natural material or a deformable thermoplastic elastomer, for example rubber or polyurea, preferably compatible in contact with food materials.
- the ends of the cylindrical tube 53 are closed by plugs 62, 64, partially fitted in the cylindrical tube 53 and rotated with the tube by means of pins 40.
- a first plug 62 receives a tip 66 for receiving a paycheck not shown, and for mounting the conveyor-sorter roll 12 on a frame of the sorting table.
- the opposite end of the cylindrical tube 53 receives a second plug 64, also capable of receiving a bearing not shown.
- the sleeve 54 is held on the ends of the central shaft 50 and more precisely on a portion of the plugs 62, 64.
- a sealing junction is made by means of collars 56, conjugated to seals 42, for example O-rings, and arranged on the plugs 62, 64.
- the sleeve 54 constitutes a deformable outer wall of an inner chamber 52.
- the inner chamber 52 is also delimited by a rigid wall, opposite to the deformable wall, and formed the cylindrical tube 53 of the
- the sleeve 54 forms the sorting sections 30.
- the inner chamber 52 extends between the sleeve 54 and the central shaft 50, and has compartments in each sorting section 30 of the sorter conveyor roll.
- the sleeve 54 has annular grooves 58 between the sorting sections 30.
- the annular grooves 58 receive the annular flanges 32.
- the flanges 32 are made of a plastic material harder and stiffer than that of the Sleeve 54.
- the shafts are involved in maintaining the sleeve 54 on the cylindrical tube 53 forming the central shaft 50. Eiies prevent the deformation of the sleeve at the height of the annular grooves 58 and maintain bristles 59 of the sleeve 54, opposed to annular grooves 58, in contact with the wall of the cylindrical tube 53. "Passage" recessed 57 are formed in the bearing bristles 59 so as to provide a fluldlqua passage through the different compartments of the inner chamber 52 corresponding to the different sorting sections 30.
- the second plug 64 comprises a channel 70 from a nozzle 72.
- the channel 70 is connected to the internal chamber 52 via one or more passages 60 passing through the plug 64.
- the channel 70 is thus in communication fiuldfque
- the passage 60 shown in Figure 3 opens between the sealed junction of the sleeve 54 on the second plug 64, and the end of the cyfindlque tube 53.
- passages to the inner chamber 52 may also be formed in the wall of the cylindrical tube 53. These passages then put into communication different parts of the internal chamber, corresponding to the different sorting sections, and put the internal chamber in communication with the Inside the cylindrical tube 53. In this case, the channel 70 can lead directly into an internal space 51 of the cylindrical tube 53.
- the tip 72 is mounted on the second boucho No. 64 through a rotary joint 74. It is also connected to a fluid source 76 at controlled pressure symbolically represented.
- the source of pressurized fluid constitutes, or at least is part of, this embodiment of a device for controlling the diameter of the adjustable diameter sorter sections.
- the fluid source 76 è controlled pressure may be, for example, a pneumatic energy installation of a cellar, with a pressure valve. It may also include a compressor and a pressurized air tank or a vacuum pump.
- the fluid source may further comprise an air distributor unit and pressure iimiteum so as to feed with different pressures the different sorting rollers 12 or different groups of sorting rollers 12.
- the second plug 64 receives a drive gear 78 for driving the conveyor-sorter roll 12 in rotation.
- the drive pinion is connected to an electric or hydraulic motor 80, represented symbolically by a chain or gear transmission for example.
- the motor 80 may be provided with a speed variator to vary the speed of rotation of the conveyor-sorter rollers 12.
- the diameter of the sorting sections 30 decreases.
- a decrease in the diameter of the sorter sections can also be performed from a rest position at a distance from the central shaft 50 and by applying a depression to the internal chamber 52.
- FIG. 4 shows in perspective a portion of a conveyor-sorter roll 12 in an embodiment very similar to FIG. 3, in a configuration in which the channel 70, visible in FIG. 3, opens into the internal space 51 of the tube
- a torn out part shows the sleeve 54 resting on the central shaft 50 formed by a cylindrical tube 53.
- the space between the sleeve 54 and the wall of the central shaft 50 defines an internal chamber 52.
- the snatch also allows to see fluid passages 80, in particular air passages which put the internal space 51 of the cylindrical tube 53 in flukfic communication with the internal chamber 52, and in particular its compartments corresponding to the different sorting sections 30.
- Figure 4 also shows the flanges 32 housed in the annular grooves 58 of the sleeve.
- FIG. 4 shows reliefs 82 and 84 which respectively cover the sorting sections 30 and the edges 34 of the boards 32.
- the reliefs 82, 84 have the function of improving the entrainment of the fruits to be sorted.
- the reliefs 82 on the sorting sections are ribs which extend in planes containing an axis of rotation 11 of the sorting roller 12. They are preferably made in the same material as that of the sleeve 54. They can also be made of a material harder than that of the sleeve 54. It is for example the same plastic as the coUerettes 32.
- the ribs of the sections sorters also participate in the training of fruits through the sieve of the sorting table.
- the reliefs 84 on the ridges of the flanges 32 are spikes, with a regular angular spacing, they serve to convey the recoite or the harvest to be sorted and participate in an orientation of the debris by reducing their risk of passage through the screen of the sorting table,
- FIG. 5 shows another possible embodiment of the conveyor-sorter rollers 12,
- FIG. 5 A snatch of FIG. 5 shows that, contrary to FIG. 4, the flanges 32 are no longer mounted in grooves of a sleeve forming the sorting sections.
- the flanges 32 each have a cylindrical base 90 with an internal diameter fitted on the central shaft 50.
- the central shaft 50 is here also constituted by a cylindrical tube 53 comprising an internal space 51.
- the cylindrical base 90 also has a function of spacing the pins 32.
- the various flanges 32 are fitted on the central shaft 50, respectively with their cylindrical bases 90 in contact.
- the flanges 32 are thus at a distance equal to each other.
- the sorter sections 30 are formed by annular membranes 92 secured respectively to two successive flanges 32.
- the membranes 92 have ends housed in annular grooves 94 formed on either side of each collar 32 in the vicinity of its cylindrical base 90. They form sheaths around the central shaft and have a symmetry of revolution.
- the space between the annular membranes 92 and the cylindrical bases 90 of the flanges 32 defines multiple internal chambers 52 respectively corresponding to Die sections 30.
- passages 60 made in both the cylindrical tube 53 of the central shaft 50 and in the cylindrical bases 90 of the flanges 32.
- the passages 60 make it possible to put in fluid communication (the internal space 51 of the cylindrical tube 53 with the different internal chambers 52 of the conveyor-sorter roll 12 and thus with the inner face of the membranes 92,
- the fluid under pressure for example pressurized air
- FIG. 6 shows another possible embodiment of the conveyor-sorter rollers 12.
- FIG. 6 The embodiment of FIG. 6 is similar to that of FIG. 4, inasmuch as the sorting sections 30 are formed by a sleeve 64 made of a defibrable plastic material.
- the flanges 32 are formed in one piece with the sleeve 54 and constitute extra thickness of the sleeve.
- the extra thickness of the material forming the sleeve 54 has the effect of increasing its rigidity and reducing the possibility of deformation for the flanges 32.
- the flanges 32 are thus not deformed, or at least very little deformed, twisted a set under pressure and torus of a modification of the diameter of the sorting sections 30
- the central shaft 50 although having a symmetry of revolution is not cylindrical, it has a corrugated relief, obtained, for example, by hydroforming.
- the relief of the central tree corresponds to the alternation of the sorting sections 30 and the flanges 32. This arrangement makes it possible to maintain the distance of the sorting sections 30.
- FIG. 7 shows in cross-section, perpendicular to one of the Die sections of FIG. 6, a detail of the sleeve 54 resting on the central shaft 50.
- a channel 61 provided in the sleeve 54 can be seen, the opposite of FIG. a relief 82 of the sleeve.
- the channel 61 is flush with an inner face of the sleeve 54. It extends along the length of the sorting sections 30 and passes under the flanges 32 shown in FIG. 6.
- the channel 61 facilitates the fluid communication of the sleeve 54 with the fluid.
- the channel 61 connects the different compartments of the internal chamber 52, corresponding to the different sorting sections 30 of the conveyor-sorter roller 12.
- sleeve 54 is lifted from the central shaft and constitutes itself a wall of the inner chamber 52 in the regions corresponding to the sorter sections.
- FIG. 6 shows yet another alternative embodiment of the corticator-sorter rollers 12. It is also similar to the embodiment of FIG. 4, insofar as the wall of the sections Meure 30 is formed by a sleeve 54 which continuously extends on the central shaft 50.
- the flanges are provided with flexible annular lips 96, extending on either side of the flange on the sorting sections 30.
- the flexible lips 96 are fixed in annular grooves 98 of flanges 32, in the vicinity of the sleeve 54. These grooves are comparable to the grooves 94 housing the annular membranes 92 of Figure 5.
- the annular lips 96 of FIG. 8 extend only over part of the axial length of the sorting sections 30. They rest on the outer face of the sleeve 54.
- the annular lips 96 accompany the deformation of the sorter sections 30 during an adjustment of their diameter.
- This embodiment allows a simpler manufacturing, for example extruskxi, of the sleeve 64 and to find a concave shape of the sorter sections 30, form more suitable in particular for conveying long debris such as petioles.
- the sorting sections 30 may be formed by the combination of a sleeve 54 and pins 32 similar to those of Figure 8, mats not comprising additional annular lips 96. This solution, more economical, simplifies the operation of washing the conveyor-sorter rollers.
- FIG. 9 shows a possibility of producing a sorting conveyor roll 12 in which the device for controlling the diameter of the sorting sections does not use a pressure-controlled fluid to vary the diameter of the sorting sections 30, but a shaft of mechanical subscription.
- the sorting conveyor roll 12 of FIG. 9 has a central shaft 50 covered with a sleeve 54 essentially forming the sorting sections 30.
- Flanges 32 are housed in grooves 38 They form with the sorting sections 30 an alternating succession according to a reason for succession.
- the pattern of succession is regular, so that the sorting sections 30 all have the same length and the flanges 32 are regularly spaced along the axis 11 of the roll.
- the actuation shaft 100 is provided with a plurality of bosses 102 arranged on the one hand according to the same pattern of succession as the sorter sections and the flanges and on the other hand distributed angularly uniformly in a plane perpendicular to i 11 axis of the conveyor-sorter roll.
- the spacing of the bosses 102 along the tax 102 corresponds here to that of the flanges 32 and also to that of the sorting sections 30.
- the bosses 102 pass through the central shaft 50 in the slots 110 provided for this purpose
- the actuating shaft 100 has, relative to the central shaft 50, a freedom of necking indicated by a double arrow 104.
- the actuation shaft can thus slide between a first position in which the bosses 102 are located in a housing 106 in the vicinity of the collars 32, at the edge of the sorting sections 30, and a second position in which the bosses 102 are substantially aligned with the middle of the sorting sections 30.
- the bosses do not interact with the sleeve 54.
- the sleeve 54 has, along the axis 11 of the conveyor-sorter roll, a concavity whose center coincides substantially with the middle of the sorting section 30.
- the drive shaft of the conveyor-sorter rollers can be moved between the first position and the second position, for example, by electromagnetic control, mechanical control, pneumatic control or hydraulic control, for the adjustment of the diameter.
- sections sorters and thus the opening of the screen of the sorting table that is equipped. These organs are part of the diameter control device of the sorter sections è adjustable diameter.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1660277A FR3057787B1 (fr) | 2016-10-24 | 2016-10-24 | Table de tri a crible ajustable |
PCT/FR2017/052571 WO2018078229A1 (fr) | 2016-10-24 | 2017-09-25 | Table de tri à crible ajustable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3528969A1 true EP3528969A1 (fr) | 2019-08-28 |
EP3528969B1 EP3528969B1 (fr) | 2022-06-22 |
Family
ID=58162729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17784366.1A Active EP3528969B1 (fr) | 2016-10-24 | 2017-09-25 | Table de tri à crible ajustable |
Country Status (9)
Country | Link |
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US (1) | US10994307B2 (fr) |
EP (1) | EP3528969B1 (fr) |
CN (1) | CN109963660B (fr) |
AU (1) | AU2017348761B2 (fr) |
CL (1) | CL2019001051A1 (fr) |
ES (1) | ES2926519T3 (fr) |
FR (1) | FR3057787B1 (fr) |
WO (1) | WO2018078229A1 (fr) |
ZA (1) | ZA201901931B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108609227A (zh) * | 2018-06-11 | 2018-10-02 | 重庆鼎赛输送机械有限公司 | 一种包装用输送设备 |
CN110665786B (zh) * | 2019-11-23 | 2022-12-13 | 义乌市奥飞创意设计有限公司 | 尿素板结块剔除及尿素分级筛选同步装置及使用方法 |
CN111744760B (zh) * | 2020-05-28 | 2021-12-10 | 湖州国峰智能科技有限公司 | 一种基于风能去除杂草的兔粪养鱼分拣装置 |
CN113522730B (zh) * | 2021-05-31 | 2022-09-06 | 山东锐恒住宅工业科技有限公司 | 一种再生骨料气动可控多级分级板及其使用方法 |
CN117358570B (zh) * | 2023-12-07 | 2024-02-27 | 新乡市昆仑筛分机械设计有限公司 | 一种滚轴筛 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1295781A (fr) * | 1970-05-07 | 1972-11-08 | ||
NZ233177A (en) * | 1989-04-11 | 1992-08-26 | Simco Ramic Corp | Product stabiliser driven from conveyor belt inflatable and of cylindrical form |
US5048674A (en) * | 1989-12-01 | 1991-09-17 | Simco/Ramic Corporation | Product stabilizer |
US5390448A (en) * | 1993-04-22 | 1995-02-21 | Sunnen Products Company | Modular expandable honing tool |
US6834764B2 (en) * | 2002-08-26 | 2004-12-28 | Acrowood Corporation | Roller screen and method for sorting materials by size |
ES2235602B1 (es) | 2003-05-22 | 2006-10-01 | Juan Bautista Uso Safont | Sistema de arrastre y calibracion de frutas. |
FR2920278B1 (fr) | 2007-08-30 | 2011-03-11 | Pellenc Sa | Table de tri a rouleaux trieurs, pour l'elimination des corps etrangers restant meles aux produits de la recolte de petits fruits |
GB0903393D0 (en) * | 2009-02-27 | 2009-04-08 | Clifton Rubber Company Ltd | A roller |
GB201016419D0 (en) * | 2010-09-30 | 2010-11-10 | Weston David B | Device for separating soil,clod and/or stones from root vegetables or bulbs |
FR2967926B1 (fr) * | 2010-11-26 | 2014-09-12 | Pellenc Sa | Table de tri a rouleaux trieurs a ecartement modifiable et reglable ; machines et installations en faisant application. |
GB201205338D0 (en) * | 2012-03-27 | 2012-05-09 | Weston David B | Device for separating soil, clod and/or stones from root vegetables or bulbs |
CN102989657B (zh) * | 2013-01-05 | 2016-03-16 | 马琳 | 筛分机过滤筛轴 |
CN103495542A (zh) * | 2013-09-22 | 2014-01-08 | 黑龙江八一农垦大学 | 平贝母等级筛分机 |
CN203664165U (zh) * | 2013-12-18 | 2014-06-25 | 天津百利阳光环保设备有限公司 | 一种新型圆盘筛 |
CN105583152A (zh) * | 2014-11-04 | 2016-05-18 | 银川博聚工业产品设计有限公司 | 一种充气式筛网结构 |
ES2629391T3 (es) * | 2015-02-19 | 2017-08-09 | C.M.A. S.N.C. Di Minnicucci Tommaso Giuseppe & C. | Mesa de selección para separar los frutos de cuerpos extraños |
-
2016
- 2016-10-24 FR FR1660277A patent/FR3057787B1/fr active Active
-
2017
- 2017-09-25 ES ES17784366T patent/ES2926519T3/es active Active
- 2017-09-25 WO PCT/FR2017/052571 patent/WO2018078229A1/fr active Application Filing
- 2017-09-25 US US16/331,248 patent/US10994307B2/en active Active
- 2017-09-25 AU AU2017348761A patent/AU2017348761B2/en active Active
- 2017-09-25 CN CN201780065643.6A patent/CN109963660B/zh active Active
- 2017-09-25 EP EP17784366.1A patent/EP3528969B1/fr active Active
-
2019
- 2019-03-28 ZA ZA201901931A patent/ZA201901931B/en unknown
- 2019-04-17 CL CL2019001051A patent/CL2019001051A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
NZ752608A (en) | 2020-10-30 |
CN109963660B (zh) | 2022-12-20 |
AU2017348761B2 (en) | 2022-09-29 |
US20190240701A1 (en) | 2019-08-08 |
CL2019001051A1 (es) | 2019-07-19 |
FR3057787B1 (fr) | 2021-03-05 |
CN109963660A (zh) | 2019-07-02 |
US10994307B2 (en) | 2021-05-04 |
WO2018078229A1 (fr) | 2018-05-03 |
AU2017348761A1 (en) | 2019-05-02 |
EP3528969B1 (fr) | 2022-06-22 |
ES2926519T3 (es) | 2022-10-26 |
FR3057787A1 (fr) | 2018-04-27 |
ZA201901931B (en) | 2019-11-27 |
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